Traceback (most recent call last):
  File "C:\moin\Lib\site-packages\MoinMoin\request.py", line 1018, in run
    handler(self.page.page_name, self)
  File "C:\moin\Lib\site-packages\MoinMoin\wikiaction.py", line 631, in do_edit
    savemsg = pg.saveText(savetext, rev, trivial=trivial, comment=comment)
  File "C:\moin\Lib\site-packages\MoinMoin\PageEditor.py", line 911, in saveText
    mtime_usecs, rev = self._write_file(newtext, action, comment, extra)
  File "C:\moin\Lib\site-packages\MoinMoin\PageEditor.py", line 802, in _write_file
    glog.add(self.request, mtime_usecs, rev, action, self.page_name, None, extra, comment)
  File "C:\moin\Lib\site-packages\MoinMoin\logfile\editlog.py", line 175, in add
    self._add(line)
  File "C:\moin\Lib\site-packages\MoinMoin\logfile\logfile.py", line 411, in _add
    self._output.write(line)
  File "C:\moin\Lib\site-packages\MoinMoin\logfile\logfile.py", line 139, in __getattr__
    self._output = codecs.open(self.__filename, 'a', config.charset)
  File "C:\Python24\lib\codecs.py", line 663, in open
    file = __builtin__.open(filename, mode, buffering)
IOError: [Errno 13] Permission denied: 'data\\edit-log'

Additionally cgitb raised this exception:
Traceback (most recent call last):
  File "C:\moin\Lib\site-packages\MoinMoin\failure.py", line 143, in handle
    handler.handle()
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 566, in handle
    doc = view.format(formatter, self.context)
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 343, in format
    return formatter.section(self.formatContent(), {'class': 'cgitb'})
  File "C:\moin\Lib\site-packages\MoinMoin\failure.py", line 32, in formatContent
    content = (
  File "C:\moin\Lib\site-packages\MoinMoin\failure.py", line 82, in formatDebugInfo
    info = [self.debugInfoHideScript(),
  File "C:\moin\Lib\site-packages\MoinMoin\failure.py", line 96, in formatTraceback
    return self.formatAllTracebacks(self.formatOneTraceback)
  File "C:\moin\Lib\site-packages\MoinMoin\failure.py", line 108, in formatAllTracebacks
    tracebacks.append(formatFuction((type, value, tb)))
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 421, in formatOneTraceback
    output = [self.formatter.subTitle('Traceback'),
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 434, in tracebackFrames
    frames.append(frame.format(self.formatter))
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 197, in format
    vars, highlight = self.scan()
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 286, in scan
    vars = self.scanVariables(reader)
  File "C:\moin\Lib\site-packages\MoinMoin\support\cgitb.py", line 298, in scanVariables
    value = getattr(parent, token, __UNDEF__)
  File "C:\moin\Lib\site-packages\MoinMoin\logfile\logfile.py", line 139, in __getattr__
    self._output = codecs.open(self.__filename, 'a', config.charset)
  File "C:\Python24\lib\codecs.py", line 663, in open
    file = __builtin__.open(filename, mode, buffering)
IOError: [Errno 13] Permission denied: 'data\\edit-log'